The simple interest formula i equals p times r times t gives the interest earned on an investment of p dollars at interest rate r for a time of t years. how much does hector need to invest at a rate of 2% in order to earn $25 interest in 3 years?

Abbey purchased a house using a fixed rate mortgage. the annual interest rate is 4.2% compounded monthly for 20 years. the mortgage amount is $235,000. what is the monthly payment on the mortgage? this isn't a multiple choice question have to show my work

The graph shows the distance kerri drives on a trip. what is kerri's speed?

In the diagram, gef and hef are congruent. what is the value of x